4539406451 has 4 divisors (see below), whose sum is σ = 4778322600. Its totient is φ = 4300490304.

The previous prime is 4539406447. The next prime is 4539406483. The reversal of 4539406451 is 1546049354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1546049354 = 2 ⋅773024677.

It is a cyclic number.

It is not a de Polignac number, because 4539406451 - 2² = 4539406447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4539406399 and 4539406408.

It is not an unprimeable number, because it can be changed into a prime (4539406411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119458046 + ... + 119458083.

It is an arithmetic number, because the mean of its divisors is an integer number (1194580650).

Almost surely, 2^4539406451 is an apocalyptic number.

4539406451 is a deficient number, since it is larger than the sum of its proper divisors (238916149).

4539406451 is a wasteful number, since it uses less digits than its factorization.

4539406451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238916148.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 4539406451 is about 67375.1174470219. The cubic root of 4539406451 is about 1655.7687822128.

The spelling of 4539406451 in words is "four billion, five hundred thirty-nine million, four hundred six thousand, four hundred fifty-one".